Home / 349,823.64-482,712.30-198,923.88

Finding the Fourth Proportional to 349,823.64, 482,712.30 and 198,923.88

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Solution

The fourth proportional to 349,823.64, 482,712.30 and 198,923.88 is: 274,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,823.64 : 482,712.30 = 198,923.88 : x
  2. Step 2: Convert to fraction form
    349,823.64/482,712.30 = 198,923.88/x
  3. Step 3: Cross multiply
    349,823.64x = 482,712.30 × 198,923.88
  4. Step 4: Simplify right side
    349,823.64x = 96,023,003,639.72
  5. Step 5: Solve for x
    x = 96,023,003,639.72/349,823.64
  6. Step 6: Final answer
    x = 274,489.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.